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  <title>Returns the error string of the last json_encode() or json_decode() call</title>
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  <div id="layout-content"><div id="function.json-last-error-msg" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">json_last_error_msg</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.5.0, PHP 7)</p><p class="refpurpose"><span class="refname">json_last_error_msg</span> &mdash; <span class="dc-title">Returns the error string of the last json_encode() or json_decode() call</span></p>

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 <div class="refsect1 description" id="refsect1-function.json-last-error-msg-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>json_last_error_msg</strong></span>
    ( <span class="methodparam">void</span>
   ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">

  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.json-last-error-msg-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.json-last-error-msg-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the error message on success, <em>&quot;No error&quot;</em> if no
   error has occurred,  或者在失败时返回 <strong><code>FALSE</code></strong>.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.json-last-error-msg-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="json_last_error.html" class="function" rel="rdfs-seeAlso">json_last_error()</a> - 返回最后发生的错误</span></li>
   </ul>
  </p>
 </div>


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